Wow, that's one very nice tool. Here is my variation on that theme, output only: https://jacquesmattheij.com/midi-fied-baby-grand-piano/ The input side is 'work in progress'. Not quite a Bosendorfer, but then again that would be totally wasted on me anyway.
Do you allow those midi files to be downloaded as well? That would be a priceless resource.
Do you allow those midi files to be downloaded as well? That would be a priceless resource.